A former Boeing test pilot pleaded not guilty to charges that he deceived regulators by withholding information about a key system that played a role in two deadly crashes.

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A new software problem has been found in the troubled Boeing 737 Max that could push the plane's nose down automatically, and fixing the flaw is almost certain to further delay the plane's return to flying after two deadly crashes.

Tagged with: Boeing 737 Max federal aviation administration

Airline union leaders and a famed former airline pilot said Wednesday that Boeing made mistakes while developing the 737 Max, and the biggest was not telling anybody about new flight-control software so that pilots could train for it.

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Southwest Airlines is delaying expectations for return of the Boeing 737 Max, which remains grounded after two deadly crashes.

Tagged with: Boeing 737 Max Southwest Airlines Co.